___not easy for me to speak english well

题目

___not easy for me to speak english well
A.I‘m B.There's C.It's D.That's
选哪个,为什么

答案

选C、
用it作形式主语,把真正主语放最后了,为了让句子主语看起来不那么长.
我们可以还原它你就知道了.：
to speak english well is easy for me.